Learn from Japan's experience in the development of printed electronics
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Nowadays, "printing electronics" using printing technology has reached a practical stage in product manufacturing. At present, the phenomenon of fierce competition among various manufacturers in the market has been heard. Under the double barriers of technology and business in the Japanese industry using inorganic semiconductors, printed electronics is expected to become a key technology for reviving Japanese manufacturers. This technology uses a flexible substrate or a coating process from wiring and semiconductor film formation.
British manufacturers listed an electronic book using organic semiconductors for TFTs and control circuits in Russia in September 2011. Russian companies have developed e-books that can be bent by hand and started selling in May 2012. This product uses an electronic paper panel in which a Korean LG display forms a TFT on a resin substrate. The selling points of these products are thin, lightweight and not easily damaged.
But solar cells and e-books are just one of the applications that were born in the printed electronics technology group. In the future, printed electronics will become a major breakthrough in manufacturing technology in the electronics field. In the future, many electronic components will be manufactured using printed electronics.
Printed electronics-related products have two advantages, such as being suitable for a small number of diverse productions, and mass production, while significantly reducing manufacturing costs. At present, the world's major electronics manufacturers and research institutions have said that the period of comprehensive and practical printing electronics is coming. Future flexible liquid crystal displays, organic EL displays, and organic EL lighting panels will also appear one by one.
The application field of printed electronics is not only in liquid crystal panels, but also covers memory and batteries, and electronic components for driving three-D package wiring and wireless LAN analog circuits are also expected to be realized. For example, Norway and the United States have used printing technology to jointly develop CMOS organic memory including transistors, and their thinness and light weight have been greatly welcomed.
In addition to technology, another crisis that is blocking the front is sales, and print electronics has almost no success in business. E-books are a classic case, because their success or failure is not only in hardware, but also depends on the richness of content and software. Amazon and Kindle are the best examples.
Considering the reasons for exiting or shrinking the business, it can be found that the previous practice is to target the existing market of existing competitive products, but missed the opportunity of business, or failed to surpass the competitive products with mature technology. As far as printed electronics is concerned, there are many examples of the advantages that printing technology has so far combined with the performance and durability. And if you spend the cost and time to improve performance, you want to increase the price if you want to recover the cost, then the low cost effect of mass production will become smaller. On the other hand, even if you want to open up new markets without competition, you can't estimate the size of the market, making the risk difficult to master. This is the typical dilemma faced when launching new products.
The best manufacturing process for printed electronics varies with materials and manufactured products. The field that Japanese manufacturers excel in is the accumulation of experience in the running-in technology, which is difficult to flow out with the manufacturing device. Especially on-demand production, experience is especially important, even if the manufacturing equipment is sold overseas, the speed of technology outflow is relatively slow.
One of the advantages of printed electronics is the flexibility to produce a small number of products according to individual needs, ie production on demand. Traditional semiconductor technology is economies of scale, so there is a huge market that needs to be matched. Printed electronics can be produced in small quantities using small devices. By using this feature, the products that the user needs can be produced without having to be distracted from the existing products.
Printing technology is not only suitable for production on demand, but also can be mass-produced at a rapid and low price like a printed newspaper. People can choose the production method that suits their own needs from the very beginning, which is equivalent to tailor-made for all customers.